Description

The F1 Hi-Temp Sandwich Access Door is for high temperature duct applications.  Its fiberglass rope gasket allows its use with temperatures up to 1000°F.

Special Characteristics

• No measuring – self-adhesive template provided
• 16 GA black iron backing plate with smooth interior
• No frame to install and seal
• Effortless opening and closing – no special tools required
• Available in all standard sizes for flat and round duct access doors
• Available in specialty metals
• The two layers of metal inside the door are spot-welded together at the rim
• Inside surface of door is smooth to reduce friction
• Zinc coated wing nuts are easily turned by hand, no wrenches required